單項(xiàng)選擇題

The （）is used to measure power.

A.ammeter
B.voltmeter
C.wattmeter
D.frequency meter

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單項(xiàng)選擇題

If you burned your arm on a bare steam line, the most effective immediate treatment would be to（）

A.wrap the arm in a tight bandage
B.soak the arm in hot salt water
C.cover the burn with petroleum jelly
D.put the burn in cold water

單項(xiàng)選擇題

The conventions under which the port state control inspection is carried out include all the following except （）.

A.SOLAS 74
B.MARPOL 73/78
C.STCW 78/95
D.ISM Code